Umida; Hidetoshi
Patent Applications and Registrations
Patent applications and USPTO patent grants for Umida; Hidetoshi.The latest application filed is for "gate drive circuit".
- Umida; Hidetoshi - Tokyo JP
- Umida, Hidetoshi - Kanagawa JP
- Umida; Hidetoshi - Kawasaki JP
| Patent | Date |
|---|---|
| Gate drive circuit Grant 10,763,848 - Takano , et al. Sep | 2020-09-01 |
| Inverter that adjusts voltage command values and control method of inverter Grant 10,700,630 - Toba , et al. | 2020-06-30 |
| Gate Drive Circuit App 20190273489 - TAKANO; Sho ; et al. | 2019-09-05 |
| Inverter Control Method, Control Device, And Inverter App 20190089286 - TOBA; Akio ; et al. | 2019-03-21 |
| Motor Drive System App 20140354194 - TOBA; Akio ; et al. | 2014-12-04 |
| Driving apparatus for driving multiple induction motors Grant 7,180,259 - Matsumoto , et al. February 20, 2 | 2007-02-20 |
| Driving apparatus for driving multiple induction motors App 20060012322 - Matsumoto; Yasushi ; et al. | 2006-01-19 |
| Speed sensorless vector control apparatus App 20010043048 - Tajima, Hirokazu ; et al. | 2001-11-22 |
| Control apparatus for variably controlling speed induction motor Grant 6,060,860 - Itoh , et al. May 9, 2 | 2000-05-09 |
| Variable speed controller for an induction motor Grant 5,828,199 - Tajima , et al. October 27, 1 | 1998-10-27 |
| Control apparatus for AC motor Grant 5,734,251 - Tajima , et al. March 31, 1 | 1998-03-31 |
| Variable speed control apparatus for induction motor Grant 5,532,570 - Tajima , et al. July 2, 1 | 1996-07-02 |
| Parameter identifier Grant 5,489,829 - Umida February 6, 1 | 1996-02-06 |
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